Finding the Fourth Proportional to 849,842.72, 1,172,867.68 and 634,609.12
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Solution
The fourth proportional to 849,842.72, 1,172,867.68 and 634,609.12 is: 875,823.85
Step by Step Solution
- Step 1: Write the proportion equation
849,842.72 : 1,172,867.68 = 634,609.12 : x - Step 2: Convert to fraction form
849,842.72/1,172,867.68 = 634,609.12/x - Step 3: Cross multiply
849,842.72x = 1,172,867.68 × 634,609.12 - Step 4: Simplify right side
849,842.72x = 744,312,526,281.24 - Step 5: Solve for x
x = 744,312,526,281.24/849,842.72 - Step 6: Final answer
x = 875,823.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.